Magnetic impurities in the honeycomb Kitaev model

We study the effect of coupling magnetic impurities to the honeycomb lattice spin-1/2 Kitaev model in its spin liquid phase. We show that a spin-S impurity coupled to the Kitaev model is associated with an unusual Kondo effect with an intermediate coupling unstable fixed point K_c J/S separating topologically distinct sectors of the Kitaev model. We also show that the massless spinons in the spin liquid mediate an interaction of the form S_{i\alpha}^{2}S_{j\beta}^{2}/R_{ij}^{3} between distant impurities unlike the usual dipolar RKKY interaction S_{i\alpha}S_{j\alpha}/R_{ij}^{3} noted in various 2D impurity problems with a pseudogapped density of states of the spin bath. Furthermore, this long-range interaction is possible only if the impurities (a) couple to more than one neighboring spin on the host lattice and (b) the impurity spin is not a spin-1/2.$Comment: 4 pages, 3 figures, Published versio

Evaluation of Radioprotective Effect of Garcinia Indica in Mice Exposed to ?-Radiation

The effect of 0, 5, 7.5, 10, 15, 20, 25, 40, 50 and 80 mg/kg body weight of aqueous extract of Gracinia indica administered intraperitoneally was studied on the radiation-induced mortality in mice exposed to 6 Gray of γ-radiation. Treatment of mice with different doses of G.indica consequently for five days delayed the onset of mortality and reduced symptoms of radiation sickness when compared with the non-drug treated irradiated controls. The highest protection against gastrointestinal (GI) tract death was observed for 10g of Garcinia indica, where the highest number of survivors were reported up to 9 days post radiation, while 10mg/kg of Garcinia indica administered i.p. provided the best protection as evidenced by the highest number of survivors 30 days post-radiation in this group when compared to other doses of G. indica. Toxicity study showed that G. indica was non-toxic up to doses of 220 mg/kg bw, where no drug-induced mortality was observed. The LD50 dose i.p. of G. indica was found to be 250 mg/kg bw. Our study demonstrated the ability of G. indica as a good radio protective agent and the optimum protective dose was 1/25th of its LD50 dose

Antioxidant Capacities of Fruit Extracts of Garcinia indica with Different Assays and Maturity Stages

This study provides a basis and principle for developing an integrated antioxidant assay of Garcinia indica (kokum). Three maturity stages (unripe, medium ripe and fully ripe) of kokum fruit were analyzed for their total phenolic contents (TPC), 1, 1-diphenyl-2-picrylhydrazyl-scavenging ability (DPPH-SC), ferric reducing antioxidant power (FRAP), and oxygen radical antioxidant capacity (ORAC). Significant correlations were obtained for the four assays used (r ranging from 0.380 to 0.767, all p < 0.01). Two-way ANOVA revealed that there were significant effects of maturity stage, and the interaction maturity stages for TPC, FRAP and ORAC, whereas only maturity stage and the interaction term were significant for DPPH-SC activity. Overall, the present results provide basic data for choosing kokum fruits with higher antioxidant activity for direct consumptio

Plant Profile, Phytochemistry and Pharmacology of Garcinia indica: A Review

Pre-Menstrual Syndrome (PMS) is defined as the recurrence of psychological and physical symptoms in the luteal phase, which remit in the follicular phase of the menstrual cycle. Symptoms of which fall in three domains: Emotional, Physical and Behavioural, eg: depression, irritability, tension, crying, abdominal cramps, fatigue, bloating, food cravings, poor concentration, social withdrawal etc. Premenstrual symptoms can be managed if diagnosed at right time with suitable pharmacological and non pharmacological treatment. Therefore it is suggested that life style modification & counselling are essential. If neglected, may even be life threatening in patients with severe symptoms can be occur. Non-pharmacologic interventions for PMS include patient education, supportive therapy, and behavioural changes. Behavioural measures include keeping a symptom diary, getting adequate rest and exercise, and making dietary changes. Dietary supplements in women with PMS should include vitamins (A, E and B6), calcium,magnesium, multivitamins/mineral supplements and evening primrose oil. Pharmacological treatment includes anti-depressants and hormonal therapy. Surgery may be considered in severely affected patients who fail to respond to other therapies and also have significant gynaecologic problems for which surgery would be appropriate

An Empirical study on Emotional Maturity among Teacher trainees and its Importance.

Abstract Emotional maturity is a process which guides oneself to successfully balance ones entire emotional spectrum and thereby taking responsibility as to how one feels about oneself and see the world around. Hence, it is essential for teacher trainees to show emotional balance when they deal with the students around them. This paper tries to investigate emotional maturity among 4 year integrated teacher trainees and 2 year B.Ed teacher trainees based on their duration of course and gender. The data was collected using self-constructed emotional maturity scale and data was analysed using SPSS (Statistical package for Social Sciences) software. The paper discusses the results and states its importance for teacher trainees

Studies on the effect of ethanolic extract of propolis in BALB/c mice

Propolis is widely used since ages for the treatment of various ailments. Present study focussed on the toxicity profile of ethanolic extract of propolis on BALB/c mice. The effect of different concentrations of propolis (300, 500, 1000 mg/kg body weight) was analysed by studying the biochemical, haematological and histological changes in mice for 28 days. No significant difference in various parameters were observed in groups of mice treated with propolis and the normal control (p&gt;0.05). Histological findings on liver, spleen, kidney and brain revealed normal architecture. The ethanolic extract of propolis did not produce significant toxic effect in mice and hence can be utilized for nutraceuticals formulations

Efficacy of different extracts of propolis against Salmonella enterica serovar Typhimurium: In vitro and in vivo study

Present study focussed on the antibacterial and antioxidative effect of honey bee propolis on typhoid causing bacteria i.e. Salmonella. Water, ethanol, methanol were used as solvents for making of extracts. Both Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) were calculated for all the three extracts. MIC of ethanolic extract of propolis was 160 mg/ml. It was 200 mg/ml for methanolic and 220mg/ml for wa-ter extracts respectively. Moreover, time kill analysis results confirmed that there was a significant reduction (p&lt;0.05) in log count of bacteria when treated with ethanolic extraxt of propolis (3.98±0.15 log cfu/mL) and methanolic (4.66±0.05log cfu/mL) extract of propolis as compared to Salmonella control (7.72±0.03 log cfu/mL) in in vitro experiments. For the in vivo studies, BALB/c mice was used as an murine model of typhoid. Levels of different liver marker enzymes and antioxidants like Lipid peroxidation (LPO) and Reduced Glutathione (GSH) were observed in infected and all the treated groups. By comparing the results, it was concluded that ethanolic extract of propolis showed maximum antimicrobial activity as compare to the rest two. So the results of present study encourages the potential of ethanolic extract of propolis as an alternative treatment for typhoid and its use in combination with standard antibiotics can also be explored

Music - A remedy in Psychological Disorders (Manas Vikara)

One in four people in the world will be affected by psychological disorders (manasvikara) at some point in their lives - Geneva (WHO). Around 450 million people currently suffer from such conditions, placing psychological disorders (manas vikara) among the leading causes of ill-health and disability worldwide. Depressive disorders are already the fourth leading cause of the global disease burden. They are expected to rank second by 2020, behind ischemic heart disease but ahead of all other diseases. Constant exposure to severely stressful events, dangerous living conditions, exploitation, and cut- throat competitions, mismanaged life style are some main causes of manas vikara at present era. During the past few months, mental health has received public and media attention in an unprecedented manner. This was related to the release of the report of the National Mental Health Survey (NMHS). So mental illnesses are a real health issue, which means you can't treat them with lifestyle changes alone. In conjunction with a healthy lifestyle, though, your treatment options will work more effectively and you'll see more rapid change. Among all these there is a concept that music can play a tremendous role in manas vikara chikitsa which is also mentioned in our Ayurvedic compendias. Music is an age-old part of Ayurveda. Great composers of Indian classical music have attempted music therapy down the years. Legend has it that classical music Maestro Thyagaraja brought a dead person back to life with his composition

Palm Oil and Rice Bran Oil: Current Status and Future Prospects

The continued demand for edible oils by the ever increasing population makes it pertinent to explore new sources. In this direction, two new edible oils namely palm oil and rice bran oil have been subjected to nutritional and toxicological evaluations of their chemicals constituents. An attempt has been made in this article to assess the acceptability of the two oils based on the various investigations that have been carried out so far

Preliminary studies on different extracts of some honey bee products

The aim of present study was to compare the phytochemical composition of different extracts of bee pollen, propolis and honey and to analyse the best solvent for maximum phytochemicals extraction. These preliminary studies are significant in locating the pharmacological bioactive compounds in different extracts of bee products. The tests showed greater number of constituents present in bee pollen and propolis as compared to honey. The concentration of these bioactive constituents was greater in ethanolic extract of propolis and water extract of bee pollen and honey. Ethanolic extract of propolis showed higher concentration of tannins and glycosides. Bee pollen had more concentration of saponins, flavonoids and proteins in water extract. Reducing sugars and carbohydrates were present in larger amount in water extract of honey. These studies will be useful to select the best solvent for honey, pollen and propolis for various research purposes